. >>> actress lindsay lohan faces a los angeles judge today. she is expected to find out if she will go back to jail for failing a drug test while on probation. >>> and finally this half hour, the car of tomorrow, today. that's after a competition to develop super-efficient cars. >> the winner is a car that runs on very little gasoline. as john hendren reports, the mileage is so high it is more efficient than hybrids or electric cars. >> reporter: meet the very light car. it's made in virginia, runs anywhere, and tops 100 miles a gallon. >> with a total efficiency of 102.5 mpg. >> reporter: the futuristic four-seater won progressive insurance company's automotive x-prize, a year-long race to design an ultra-efficient car that's safe, affordable and desirable. >> you don't have to choose between beautiful, fast, affordable, safe, and 100 miles per gallon or greater. you can get them all. >> reporter: this car is not alone. hybrids and electric cars like the chevy volt are pushing the boundaries of fuel efficiency. uncle sam already insists cars